包含 "efficiency" 的搭配

the relationship between the amount of energy produced and the amount of fuel used

working better without wasting time or energy

The state of operating in the best possible way with the least waste.

The quality of working in a quick and effective way, without regard for cost or people's feelings.

A measure of how well a device converts thermal energy into useful work.

the ability to produce desired results with minimum waste or effort

a saving achieved by using resources more effectively

the ratio of the useful work performed by a machine to the total energy expended